Definition of Goaf
n.
1.
(Mining)
That
part
of
a
mine
from
which
the
mineral
has
been
partially
or
wholly
removed
;
the
waste
left
in
old
workings
; -
called
also
gob
.
To work the goaf
to
remove
the
pillars
of
mineral
matter
previously
left
to
support
the
roof
,
and
replace
them
with
props
.
- Ure.
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Gnow
Gnu
Go
go figure
go one on one
Go to
go-around
go-as-you-please
Go-between
Go-by
Go-devil
go-getter
go-kart
Go-out
go-slow
go-to-meeting
Goa
Goa powder
Goad
goaded
Goal
Goal keeper
goal line
goalless
goalmouth
goalpost
Goar
Goarish
Goat
Goat antelope
Goat fig
Goat house
Goat moth
Goat weed
Goat's bane
Goat's beard
Goat's foot
Goat's rue
Goat's thorn
Goat's wheat
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